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A003708
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Expansion of tan(ln(1+x)).
(Formerly M3547)
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0
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0, 1, -1, 4, -18, 110, -810, 7040, -70280, 792200, -9945000, 137550400, -2077719600, 34026132400, -600433397200, 11356783360000, -229193571984000, 4915556301968000, -111644265232656000, 2676908220027392000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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REFERENCES
| N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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MATHEMATICA
| Tan[ Log[ 1+x ] ]
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CROSSREFS
| Sequence in context: A009597 A060223 A144085 * A000986 A143920 A113356
Adjacent sequences: A003705 A003706 A003707 * A003709 A003710 A003711
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KEYWORD
| sign
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AUTHOR
| R. H. Hardin (rhhardin(AT)att.net), Simon Plouffe (simon.plouffe(AT)gmail.com)
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